Display for the AQA GCSE outlining the different models of the atom developed over time. In Word so you can adapt to suit your personal use and PDF for ease of printing. The posters on Dalton, Rutherford, Bohr and Chadwick are best printed in colour on A3 and linked with the orange arrows. The remaining pages e.g. the alpha particle scattering experiment, could be printed A3 or A4 depending upon the size of your display board.